How to start firewall on CentOS 7 command line
In this tutorial, we will learn how to start firewall on CentOS 7 command line.
Firewalld provides a dynamically managed firewall with support for network/firewall zones that define the trust level of network connections or interfaces. It has support for IPv4, IPv6 firewall settings, ethernet bridges, and IP sets. There is a separation of runtime and permanent configuration options. It also provides an interface for services or applications to add firewall rules directly.
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Start Firewall on CentOS
You can execute the following command to start the firewall on centos with root user:
systemctl start firewalld
Enable Firewall on Centos 7
Just execute the following command to enable the firewall on boot.
systemctl enable firewalld
We have enabled and started the firewall on CentOS 7.